DE1988017U - DEVICE FOR CONNECTING A PIPE. - Google Patents

Description

RA. 2 25 η 0 * 19. it. BB

ING. H. FINK PATENTANWALT · ESSU.NGEN / NECKAR · HINDENBURGSTRASSE 44

PaUntanwolt FINK β | 1ης η a. N .. Hlndinburart.-r .: - ■■ <>

19 »December 1966 Z ■ P-5531,

Pneumelec S.A., 33, Boulevard Jean Allemane, 95, Argenteuil (France) ''. ·

"Device for connecting a pipe"

Priority of the French patent application PV 46 702 of January 21, 1966 is claimed.

The present invention relates to a device for connecting rigid and semi-rigid pipes, in particular made of plastic. '■' "· '■.

It has an improved attachment device that is very simpler Design, with very low manufacturing costs, extremely small space requirements in the transverse direction (with a total diameter in of the order of about twice the size to be fastened Rohres) and practically instantaneous installation and dismantling, without a key or turning movement to the target.

This device is characterized in that it has a Has body which is penetrated by a through hole that has a stop shoulder for the plant of the end of the in .this hole to be inserted tube, on which of A sealing ring is first arranged starting from this shoulder,

December 19, 1966 Z P 5531

which yields by simply pushing the pipe axially is attached to it, whereupon an elastic locking member for setting the tube by jamming the outer wall of the pipe and finally a release sleeve follows, which in this hole surrounding the pipe between a Rest position in which it protrudes from the body, and · one is pushed into the hole position in which it is supported on the elastic locking member to move, wherein it is elastically deformed when it is supported to free the pipe. .

Because of this training, it is sufficient for the assembly, the tube in the axial direction in the hole through the sleeve, the locking element and slide the seal through until it touches the shoulder of the hole. This will when through simply pulling on the pipe tries to remove it from the hole, the locking member is anchored to the wall of the pipe and holds it in place. Purely the removal of the pipe the locking member must first be released by plastically deforming it by pressing the release sleeve into the hole, Only then is the pipe pulled while the bushing is : Upscale location is held »- ■.

^; Other features emerge from the description below.

In the attached drawing, which is only an example ₉

demonstrate .·

Pig «1 is a longitudinal section corresponding to a goal direction of the invention in connection position

Pig, FIG. 2 shows a plan view of a corresponding blocking element Pig. 3 shows a longitudinal section corresponding to that according to Pig. Ί, where

the various parts shown in the disassembled position are pig. 4 to 6 longitudinal sections through other embodiments.

According to the example according to the Pig. 1 to 3 , the invention is applied to the connection of a pipe S. made of plastic, semi-solid material or of relatively

December 19, 1966 Z • Ρ 5531 ■ /. --ι: ■

moderately stiff metal ", ζ. · ΰ. copper, with .another solid, Line O, which can be another pipe, for example.,

The device rejects a body made of metal, plastic ■ Material or the like. This body can be limited for the connection shown or for a certain number of common connections, which can be very close to each other. The distance χ between their parallel axes X-X, X1-X1 can be. about twice that of the outer diameter d of the pipes to be fastened ver - .. · - be wrestled. . . . '

Pur ', each connection is broken, the body 1, such as "according to the axis XX of a stepped hole having from the rear side of this body up to its front face 3, five paragraphs 4, 5, 6, 7 _f. 8 Paragraph 4 serves; for fastening the line 0. The following paragraph 5 has. the smallest diameter and secures the connection between the pipe, r T and the line C (or another channel). The following paragraph 6 has a diameter which corresponds to the outer diameter of the pipe QJ and has a transverse shoulder 9 on its rear side, which serves as a stop for the pipe. The following paragraph 8, which is followed by a rear; The transverse shoulder 12 is limited, has a locking member 15 between two rings 13 'and 14' which, for example, are pressed in. .Preferably a slight axial play between the. ·:! Locking member 15 and the rings 13 and 14 is provided to automatically center the locking member with respect to the ^; ; To enable tube T when this is inserted ^, where | the.; I member 15 with sufficient radial play;. In paragraph 8,: 'idervAüanehmung. ,! ■ -; j ■■, -. ·. · "- '..

i -, ¹ An; iffigι 14 locking member shown in plan view is formed kduröh öt'ine ring disk made of metal, eg »Stahli,

f.

If '

December 19, 1966 ζ

P 5531

whose outer edge part 16 is ebon, while the inner edge part 17 adjacent to the center hole is frustoconical and converges towards the interior of the connection in such a way that this part forms an annular edge 18, the diameter of which is equal to the difference between d and e, where d is the outer diameter of the tube T and e '; is a much smaller value of the size of, for example, tenths of a millimeter. ' _t "'

The inner wall part 17 is with the help of radial incisions' 19 divided into a certain number of tongues that can deform resiliently.

The whole thing is completed by a release sleeve 20, which has an inner diameter 21 ', which is only slightly is larger than the outer diameter of the tube T, while its outer surface 22 is free but without significant play in that Hole 23 of the ring 14 can slide. This ring has an inner collar 24 on its outside, against which in In rest position, an outer collar attached to the sleeve 20. 25, the bushing inserted before the ring 14 is pressed in is held in the connection in this way *

The device works as follows: If the parts 11, 13, 14, 15 and 20 of the connection are arranged in the body 1, it is sufficient -.,. it 'for the insertion of the pipe 7, this along its axis,' in Pig. 1 seen from top to bottom, so that it successively first penetrates the sleeve 20 and then the Lodh , ', whereby the tongues forming this part are elastically deformed by the difference e between the passage formed by the tongues. ,, ', meösdtf and the outer diameter of the Rohrea to compensate. ¹ *

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December 19, 1966 Z P 5531

The pipe then passes freely through the ring 13 and with the usual tension to ensure the tightness into the sealing ring

j a, which eg penetrates, j and finally rests with its j outer end on the shoulder 9. '

If the pipe is in this position, it is impossible to get it by a simple 'axial pull, in Pig. 1 seen from bottom to top. To solve, because the pipe is loaded in this sense is, put the edges 18 of the tongues 17 · of the locking member 15 against the outer wall of the tube T, these tongues form an effective barrier and prevent removal of the pipe.

In order to be able to detach this from the connection, the Release sleeve 20, as in Pig. 3 shown, so gesöhoben inward be that this die.7 »lungs 17 of the locking member 15 'is elastically deformed so that their edges 18 from the wall of the Remove the tube 17. · When this has been done, it is possible to close the tube T while pressing in the bushing remove that yourself or another with same diameter as described above in its connection position can be used.

From the above it follows that the device is simple Has design and takes up little space in diameter, because the entire device has a maximum diameter which is hardly, twice the diameter d of the tube T, so that on the same body 1 a large number of tubes can be mounted side by side, which in particular when building supply lines is advantageous »

The real requirement is also very low in the axial direction iso that the device only has a small volume

The operation and expansion work without the use of a key or a rotating movement can be carried out quickly. Da ^ pipe T can

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19 * 12.1966 Z ₁ P 5531 · ·

can be used without any processing.

Finally, the device is very simple to manufacture and also at very low cost. \ ' χ

Of course, these advantages also apply to the variants after Figures 4 to 6, which will be described below.

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In the Pig. 4, a known sealing ring 11a with lips is provided as a variant. It is in In fact, it is evident that the sealing ring can be of any type which allows the pipe to be threaded into the seal. In addition, the locking member 15a is formed by a stack of ring disks, whereby the number of locking edges 18a

• is enlarged. ■.

! 'The Pig. 5 shows the locking member in the another variation, ';, 15b is formed by an annular disc of rubber, _v, are embedded in which pins or fins 17b TMIT their tips or ends 28b pawls form.

Finally, in the exemplary embodiment according to Pig. 6 that , Locking member 15c formed by a thick washer made of rubber » which forms a Sperklirike through its inner edge 18c.

Of course, the invention is not limited to the ones shown and! Embodiments described are limited, which only - .. f. ., Examples have been chosen «-; ..-- ^ lr- '-; lm \ i ^! - ■■. :; '* ·

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Claims (1)

December 19, 1966 Z P 5531 η. 'Ü ο Ί. ■: ί Device for connecting solid or semi-solid pipes, characterized in that it has a body (1) which is penetrated by a through hole (5, 6, 7 »8), which has a stop shoulder (9) for 'the attachment of the end of the tube (T) to be inserted into this hole, on which, starting from this shoulder, a sealing ring (11, 11a) is first arranged, which is flexibly attached to it by simply pushing the tube (T) in axially, whereupon a elastic. Locking member (15,. «♦ 15c) for plaguing the; pipe (7) by jamming on the outer wall of the pipe and finally a release sleeve (20) follows, which surrounds the pipe in this hole between a rest position in which it comes out of the · Body (1) protrudes, and a position pushed into the hole in which it is supported on the 'elastic locking member, to be displaced, whereby it deforrat elaetiedh to free the pipe when it is supported. 2. ' Device according to claim 1, characterized in that g e k en η ζ e i c h - The fact that the locking member is an annular disk (15) with a flat outer edge part, while the inner edge part adjacent to the center hole is frustoconical and has tongues (17) formed by radial incisions (19), these tongues with their annular Inside— '. edges (18) form pawls, ■■ '■ ■■ -'' : -, 3 »device according to claim T or 2, characterized thereby - ζ eic h η e t “that the locking member by a stack ■ "> :. (15a) is formed by ring disks. ■"; " ■ ι ' * ■■■' I. '.. * · December 19-1966 P 5551 8. Device according to claims ί and 5, thereby ge i, ken η ζ e ic h η e t that the release sleeve (20) one '\ outer collar (25) with which they secure the position of the locking member (15, ... 15c) from the outer one Ring (14) is held. '■ "-. ·.. 9β Device according to one of Claims 1 and 5 »characterized in that the ^{hole provided in the body (1) 1 has} shoulders (5» 6, 7 »8) * of which one shoulder (6) a stop shoulder (9) for the tube (T) forms, while of two other shoulders (7> 8) one (7) forms the sealing ring (11, 11a) and the other '' (8) the locking member (15 > ... 15c) with his holdings ^: (13/14) takes up-> J takes. '\ τ ■> 4. Device according to claim 1, characterized in that g e k e η η, that the locking member is a washer (15b) made of]. · rubber or some other elastic or plastic. [■ Material is in which pointed pins or lamellae (17b) f '. are embedded, which form pawls with their tips or central edges (18b). 5 »Device according to claim 1, characterized in that that the locking member is a thick washer (15c) made of rubber or another flexible or similar plastic material «, 6 * Device according to one of the preceding claims, characterized marked ,, that the locking member (15 »... ; 15c) is arranged between two rings (13, 14), which in the hole (8) of the body (1) "are attached". .7 "A device according to claim 1, characterized geke η η i ze net that the elastic locking member (15, <15c) is inserted freely between UEs rings (13» 14) and can be centered automatically to the pipe "